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Table 2 Cardiorespiratory fitness and ventilatory threshold

From: Modified Talk Test: a Randomized Cross-over Trial Investigating the Comparative Utility of Two “Talk Tests” for Determining Aerobic Training Zones in Overweight and Obese Patients

  VT1 VT2 VO2max
VO2max (ml kg−1 min−1) 14.5 ± 2.5 22.4 ± 5.4 28.2 ± 7.0
METs 4.2 ± 0.8 6.3 ± 1.2 8.2 ± 2.0
VO2max (L min−1) 1.3 ± 0.3 2.0 ± 0.5 2.6 ± 0.7
% VO2max 51.8 77.1 96.5
Power (watts) 65.3 ± 20.8 133 ± 36.0 190.8 ± 55.3
HR (beats min−1) 109 ± 12 139 ± 15.0 163.6 ± 14.5
HR (%) 65.7 82.0 98.7
Ventilation (L min−1) 34.2 ± 8.1 59.5 ± 16.0 103.8 ± 28.7
  1. Data are shown as mean ± SD
  2. Abbreviations: VO2max maximal oxygen consumption, VT ventilatory threshold, HR heart rate, METs metabolic equivalent